제출 #170261

#제출 시각아이디문제언어결과실행 시간메모리
170261AkashiStove (JOI18_stove)C++14
100 / 100
27 ms2168 KiB
#include <bits/stdc++.h>
using namespace std;

int n, k;
int a[100005], b[100005];
int main()
{
    scanf("%d%d", &n, &k);
    --k;

    int Sum = 0, Max = 0, Min = 2e9;
    for(int i = 1; i <= n ; ++i){
        scanf("%d", &a[i]);
        if(i > 1) b[i] = a[i] - a[i - 1] - 1;
        Max = max(Max, a[i]);
        Min = min(Min, a[i]);
    }
    Sum = Max - Min + 1;

    sort(b + 1, b + n + 1);
    for(int i = n; i > n - k ; --i) Sum -= b[i];

    printf("%d", Sum);

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

stove.cpp: In function 'int main()':
stove.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &k);
     ~~~~~^~~~~~~~~~~~~~~~
stove.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &a[i]);
         ~~~~~^~~~~~~~~~~~~
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